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Licemer1 [7]
3 years ago
10

A triangle with a height of 12

Mathematics
1 answer:
Sidana [21]3 years ago
6 0

The area of a triangle is 1/2*base*height

So make your equation: 1/2*b*12=42

6*b=42

b=7

So the base is 7 inches long

Hope that helped!

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